/**
  ******************************************************************************
  * @file    IO_Toggle/stm32f4xx_it.c
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    19-September-2011
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
#include <rtthread.h>
#include "board.h"
#include "usb_bsp.h"
#include "usb_hcd_int.h"
#include "usb_dcd_int.h"
#include "usbh_core.h"
#include "stm32f4_discovery_audio_codec.h"
#include "stm32f4_discovery_lis302dl.h"
#include "key.h"
/** @addtogroup STM32F4_Discovery_Peripheral_Examples
  * @{
  */

/** @addtogroup IO_Toggle
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
extern USB_OTG_CORE_HANDLE          USB_OTG_Core;
extern USBH_HOST                    USB_Host;
__IO uint8_t  Count = 0, LED_Toggle = 0;
uint16_t capture = 0;
extern __IO uint16_t CCR_Val;
uint8_t Buffer[6];
/* Private functions ---------------------------------------------------------*/

/* Private function prototypes -----------------------------------------------*/
extern void USB_OTG_BSP_TimerIRQ (void);

#ifdef USB_OTG_HS_DEDICATED_EP1_ENABLED 
extern uint32_t USBD_OTG_EP1IN_ISR_Handler (USB_OTG_CORE_HANDLE *pdev);
extern uint32_t USBD_OTG_EP1OUT_ISR_Handler (USB_OTG_CORE_HANDLE *pdev);
#endif
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M4 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief   This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
//void HardFault_Handler(void)
//{
//    // definition in libcpu/arm/cortex-m4/context_*.S
//}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
void SVC_Handler(void)
{
}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
//void PendSV_Handler(void)
//{
//    // definition in libcpu/arm/cortex-m4/context_*.S
//}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
//void SysTick_Handler(void)
//{
//    // definition in boarc.c
//}

/******************************************************************************/
/*                 STM32F4xx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f4xx.s).                                               */
/******************************************************************************/

/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/

/**
  * @brief  This function handles TIM4 global interrupt request.
  * @param  None
  * @retval None
  */
void TIM4_IRQHandler(void)
{
    uint8_t clickreg = 0;
	rt_thread_t tid;
	
	tid = rt_thread_find("ply_bg");	
	
    /* enter interrupt */
    rt_interrupt_enter();
	
	if(tid!=RT_NULL)
	{
		/* Read click status register */
		LIS302DL_Read(&clickreg, LIS302DL_CLICK_SRC_REG_ADDR, 1);
		LIS302DL_Read(Buffer, LIS302DL_STATUS_REG_ADDR, 6);
	}
    /* Checks whether the TIM interrupt has occurred */
    if (TIM_GetITStatus(TIM4, TIM_IT_CC1) != RESET)
    {
        TIM_ClearITPendingBit(TIM4, TIM_IT_CC1);
		if( LED_Toggle == 3)
		{
		  /* LED3 Orange toggling */
		  STM_EVAL_LEDToggle(LED3);
		  STM_EVAL_LEDOff(LED6);
		  STM_EVAL_LEDOff(LED4);
		}
		else if( LED_Toggle == 4)
		{
		  /* LED4 Green toggling */
		  STM_EVAL_LEDToggle(LED4);
		  STM_EVAL_LEDOff(LED6);
		  STM_EVAL_LEDOff(LED3);
		}
		else if( LED_Toggle == 6)
		{
		  /* LED6 Blue toggling */
		  STM_EVAL_LEDOff(LED3);
		  STM_EVAL_LEDOff(LED4);
		  STM_EVAL_LEDToggle(LED6);
		}
		else if (LED_Toggle ==0)
		{
		  /* LED6 Blue On to signal Pause */
		  STM_EVAL_LEDOn(LED6);
		}
		else if (LED_Toggle == 7)
		{
		  /* LED4 toggling with frequency = 439.4 Hz */
		  STM_EVAL_LEDOff(LED3);
		  STM_EVAL_LEDOff(LED4);
		  STM_EVAL_LEDOff(LED5);
		  STM_EVAL_LEDOff(LED6);
		}		
        capture = TIM_GetCapture1(TIM4);
        TIM_SetCompare1(TIM4, capture + CCR_Val);
    }
	
    /* leave interrupt */
    rt_interrupt_leave();	
}

void USART1_IRQHandler(void)
{
#ifdef RT_USING_UART1
    extern struct rt_device uart1_device;
	extern void rt_hw_serial_isr(struct rt_device *device);

    /* enter interrupt */
    rt_interrupt_enter();

    rt_hw_serial_isr(&uart1_device);

    /* leave interrupt */
    rt_interrupt_leave();
#endif
}

void USART2_IRQHandler(void)
{
#ifdef RT_USING_UART2
    extern struct rt_device uart2_device;
	extern void rt_hw_serial_isr(struct rt_device *device);

    /* enter interrupt */
    rt_interrupt_enter();

    rt_hw_serial_isr(&uart2_device);

    /* leave interrupt */
    rt_interrupt_leave();
#endif
}

void USART3_IRQHandler(void)
{
#ifdef RT_USING_UART3
    extern struct rt_device uart3_device;
	extern void rt_hw_serial_isr(struct rt_device *device);

    /* enter interrupt */
    rt_interrupt_enter();

    rt_hw_serial_isr(&uart3_device);

    /* leave interrupt */
    rt_interrupt_leave();
#endif
}

/**
  * @brief  EXTI0_IRQHandler
  *         This function handles External line 0 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI0_IRQHandler(void)
{
	/* enter interrupt */
	rt_interrupt_enter();
	
    /* Checks whether the User Button EXTI line is asserted*/
    if (EXTI_GetITStatus(EXTI_Line0) != RESET)
    {

    }
    /* Clears the EXTI's line pending bit.*/
    EXTI_ClearITPendingBit(EXTI_Line0);
	
	/* leave interrupt */
	rt_interrupt_leave(); 	
}

/**
  * @brief  This function handles External line 1 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI1_IRQHandler(void)
{
	/* enter interrupt */
	rt_interrupt_enter();	

	/* Check the clic on the accelerometer to Pause/Resume Playing */
	if(EXTI_GetITStatus(EXTI_Line1) != RESET)
	{
		rt_uint16_t msg;
		msg = PS_ENTER;
		rt_mq_send(msg_q,&msg,sizeof(msg));
		/* Clear the EXTI line 1 pending bit */
		EXTI_ClearITPendingBit(EXTI_Line1);
	}

	/* leave interrupt */
	rt_interrupt_leave();  
  
}
/**
  * @brief  TIM2_IRQHandler
  *         This function handles Timer2 Handler.
  * @param  None
  * @retval None
  */
void TIM2_IRQHandler(void)
{
	/* enter interrupt */
    rt_interrupt_enter();
	
	USB_OTG_BSP_TimerIRQ();
	
    /* leave interrupt */
    rt_interrupt_leave();	
}

/**
  * @brief  This function handles USB-On-The-Go FS global interrupt request.
  * @param  None
  * @retval None
  */
void OTG_FS_IRQHandler(void)
{
	/* enter interrupt */
    rt_interrupt_enter();	
	
	USBH_OTG_ISR_Handler(&USB_OTG_Core);
	
    /* leave interrupt */
    rt_interrupt_leave();
}

/**
  * @}
  */

/**
  * @}
  */

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
